CN223674411U

CN223674411U - Coagulation, sedimentation and dewatering integrated machine

Info

Publication number: CN223674411U
Application number: CN202423221814.6U
Authority: CN
Inventors: 黄志高
Original assignee: Guangzhou Hengzhi Environmental Protection Technology Co ltd
Current assignee: Guangzhou Hengzhi Environmental Protection Technology Co ltd
Priority date: 2024-12-25
Filing date: 2024-12-25
Publication date: 2025-12-16
Anticipated expiration: 2034-12-25

Abstract

The application discloses a coagulating sedimentation dehydration integrated machine, which comprises a spiral shell stacking machine, wherein a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank and a coagulating reaction tank are sequentially arranged on one side of the spiral shell stacking machine, a connecting pipe is communicated with the coagulating reaction tank, one end of the connecting pipe is communicated with the spiral shell stacking machine, an opening is formed in the first anoxic tank, a treatment box is fixedly arranged at the position of the first anoxic tank, and a screen is fixedly arranged in the treatment box. By arranging the coagulation reaction tank and the spiral shell stacking machine, after the coagulation and flocculation reaction changes the fine suspended matters in the sewage into large-block suspension, the operation of a follow-up device is facilitated, the blocking risk of the device is reduced, and when the spiral shell stacking machine operates, suspended matters and total phosphorus in the sewage are removed through the device, so that the stability and reliability of equipment are improved, the pollutants in the sewage are reduced, and the living environment experience is improved.

Description

Coagulating sedimentation dehydration all-in-one

Technical Field

The application relates to the technical field of sewage treatment, in particular to a coagulating sedimentation and dehydration integrated machine.

Background

With the development of economy and the growth of population, the discharge amount of domestic sewage and industrial wastewater is continuously increasing. The sewage contains a large amount of pollutants such as organic matters, nitrogen, phosphorus and the like, and if the pollutants are directly discharged into the environment without effective treatment, serious pollution can be caused to the water body, and the water quality and the ecological environment are affected. Therefore, the demands for sewage treatment are becoming urgent, and more efficient and energy-saving sewage treatment technologies need to be developed.

When the existing coagulation sedimentation dehydration all-in-one machine is used, a sludge spiral shell stacking machine is used for treating sewage, but massive impurities and suspended matters in the sewage are difficult to pass through subsequent pipelines and equipment, the risk of equipment blockage is increased, the burden of a subsequent treatment unit is increased, only a flocculation stirring box is arranged in the spiral shell stacking machine, only suspended particles in the sewage can lose stability, colloidal particles are mutually coagulated to increase particles, flocculating constituents and alum flocs are formed, and then water phase precipitation is separated under the action of gravity, so that a large amount of suspended matters in the sewage are removed, the effect of water treatment is achieved, but the sensory indexes of the water quality such as the turbidity and chromaticity of raw water cannot be reduced, and various toxic and harmful pollutants can be removed. Therefore, an integrated coagulation sedimentation and dehydration machine is proposed to solve the above problems.

Disclosure of Invention

In this embodiment, the coagulation sedimentation dehydration all-in-one machine is provided to solve when using in the prior art, can use mud to fold spiral shell machine to handle sewage, but the big impurity in the sewage and suspended solid are difficult to through subsequent pipeline and equipment, increased the risk of equipment jam, increased the burden of follow-up processing unit, and fold spiral shell machine inside only be provided with flocculation agitator tank, can only make suspended particles in the sewage lose stability, the micelle thing is mutually coagulated and is made the particle increase, form flocculating constituent, alum blossom, then break away from the aqueous phase sediment under the action of gravity, thereby get rid of a large amount of suspended solid in the waste water, thereby reach the effect of water treatment, but can't reduce the turbidity of raw water, the sensory index of quality such as chromaticity, can get rid of multiple toxic and harmful pollutant's problem again.

According to one aspect of the application, a coagulating sedimentation dehydration all-in-one machine is provided, the coagulating sedimentation dehydration all-in-one machine comprises a spiral shell stacking machine, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank and a coagulating reaction tank are sequentially arranged on one side of the spiral shell stacking machine, a connecting pipe is communicated with the coagulating reaction tank, one end of the connecting pipe is communicated with the spiral shell stacking machine, an opening is formed in the first anoxic tank, a treatment box is fixedly arranged at the position of the opening of the first anoxic tank, a screen is fixedly arranged in the treatment box, a first rotating shaft and a second rotating shaft are rotatably connected in the treatment box through bearings, a fixed shell is fixedly arranged on one side of the treatment box, a second motor is fixedly arranged in the fixed shell through a motor frame, one ends of the first rotating shaft and the second rotating shaft are respectively connected with a driven gear and a driving gear in a sleeved mode, and an output shaft of the second motor is fixedly connected with the second rotating shaft.

Further, the treatment box is communicated with a water inlet pipe, and the water inlet pipe is provided with a water inlet valve.

Further, the first anoxic tank, the first aerobic tank, the second anoxic tank, the second aerobic tank and the coagulation reaction tank are communicated with an emptying pipe, and a plurality of emptying valves are arranged on the emptying pipes.

Further, the coagulation reaction tank is communicated with a feed pipe, and the feed pipe is connected with a screw cap in a threaded manner.

Further, a water outlet pipe is communicated with the bottom of the second aerobic tank, a reflux pump is communicated with one end of the water outlet pipe, a reflux pipe is communicated with the first anoxic tank, and one end of the reflux pipe is communicated with the reflux pump.

Further, the first motor is fixedly installed on the coagulation reaction tank, the stirring shafts are rotatably connected to the inside of the coagulation reaction tank through bearings, stirring blades are arranged on the stirring shafts, and an output shaft of the first motor extends to the inside of the coagulation reaction tank to be fixedly connected with the stirring shafts.

Further, the inside bottom of first oxygen deficiency pond, first good oxygen pond, second oxygen deficiency pond, good oxygen pond of second and coagulation reaction pond is all fixed mounting has the collar, and a plurality of all fixed mounting has the aeration board on the collar, a plurality of all communicate on the aeration board has a plurality of aeration heads.

Further, the aeration plate is communicated with an aeration pipe, and one end of the aeration pipe penetrates through the mounting ring and extends to the outer end of the first aerobic tank or the second anoxic tank to be communicated with an external aeration system.

Further, the installing ring is connected with a connecting ring through threads, and the connecting ring is fixedly provided with a filter screen.

Further, the inner walls of the first anoxic tank and the second anoxic tank are provided with lower overflow ports, the inner walls of the first aerobic tank and the second anoxic tank are provided with upper overflow ports, the first anoxic tank is connected with the first anoxic tank through the lower overflow ports, the first anoxic tank is connected with the second anoxic tank through the upper overflow ports, the second anoxic tank is connected with the second anoxic tank through the lower overflow ports, and the second anoxic tank is connected with the coagulation reaction tank through the upper overflow ports.

According to the embodiment of the application, the second motor is started to crush massive impurities and suspended matters, so that the massive impurities can be crushed into smaller particles rapidly, the crushed impurities are easier to mix with other substances in sewage, the particles can pass through subsequent pipelines and equipment more easily, the risk of blockage is reduced, the burden of a subsequent processing unit is lightened, the frequency of shutdown maintenance of the equipment due to blockage is reduced, and the stability and reliability of the equipment are improved;

Through setting up the filter screen, large granule impurity in the filter screen can effectively prevent water, suspended solid and perhaps because of sediment etc. that chemical reaction produced, prevent that they from getting into inside the aeration head, thereby avoid the jam problem of aeration head, make the aeration head can keep unobstructed inlet channel, make the gas can get into the water smoothly, improve aeration efficiency, the filter screen can ensure aeration head evenly distributed gas simultaneously, make the dissolved oxygen content in the water more even, be favorable to microorganism's growth and metabolism, promote water quality treatment effect, threaded connection's filter screen design makes the filter screen can be easily dismantled when needs washing or change, the maintenance degree of difficulty is reduced;

The coagulation reaction tank is arranged, so that the sensory indexes of water quality such as turbidity and chromaticity of raw water can be reduced, various toxic and harmful pollutants can be removed, the coagulation stirring tank is matched in the spiral shell stacking machine, suspended particles in the waste water lose stability, colloidal particles are mutually coagulated to enlarge particles, flocculating bodies and alum flowers are formed, the flocculating bodies are separated from water phase precipitation under the action of gravity after being large to a certain volume, a large amount of suspended matters in the waste water are removed, the effect of water treatment is achieved, after the fine suspended matters in the waste water are changed into massive suspension through coagulation and flocculation reaction, the work of subsequent devices is facilitated, the blocking risk of the devices is reduced, and when the spiral shell stacking machine 1 is operated, suspended matters and total phosphorus in the waste water are removed through the devices, so that the stability and reliability of equipment are improved, the pollutants in the waste water are reduced, and the human environment experience is improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram showing the internal structures of a first aerobic tank and a second anoxic tank according to an embodiment of the present application;

FIG. 3 is a schematic diagram showing the internal structures of a second aerobic tank and a coagulation reaction tank according to an embodiment of the present application;

FIG. 4 is a schematic view showing the internal structure of a first anoxic tank according to an embodiment of the present application;

FIG. 5 is a schematic side view of the internal structure of the first anoxic tank and the second oxic tank according to one embodiment of the present application;

FIG. 6 is a schematic top view of the interior of a processing chamber according to one embodiment of the application;

FIG. 7 is a schematic top view of an aeration assembly according to one embodiment of the present application;

FIG. 8 is a schematic diagram of the front structure of a spiral shell stacking machine according to an embodiment of the present application;

FIG. 9 is a schematic diagram of a side view of a lap screw machine according to an embodiment of the present application;

fig. 10 is a schematic top view of a spiral shell stacking machine according to an embodiment of the present application.

In the figure, 1, a spiral shell stacking machine; 2, a first anoxic tank, 3, a first aerobic tank, 4, a second anoxic tank, 5, a second aerobic tank, 6, a coagulation reaction tank, 7, a mounting ring, 8, an aeration pipe, 9, an aeration plate, 10, an aeration head, 11, a connecting ring, 12, a filter screen, 13, a connecting pipe, 14, a stirring shaft, 15, an upper overflow port, 16, stirring blades, 17, a first motor, 18, a screw cap, 19, a feed pipe, 20, a water inlet valve, 21, a water inlet pipe, 22, a screen, 23, a treatment tank, 24, a first rotating shaft, 25, a second rotating shaft, 26, a crushing roller, 27, a water outlet pipe, 28, a reflux pump, 29, a reflux pipe, 30, a lower overflow port, 31, an evacuation pipe, 32, an evacuation valve, 33, a driving gear, 34, a second motor, 35, a fixed shell, 36 and a driven gear.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, they may be fixedly connected, detachably connected, or of unitary construction, they may be mechanically or electrically connected, they may be directly connected, or they may be indirectly connected through intermediaries, or they may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-10, the coagulation sedimentation dehydration all-in-one machine comprises a spiral shell stacking machine 1, a first anoxic tank 2, a first aerobic tank 3, a second anoxic tank 4, a second aerobic tank 5 and a coagulation reaction tank 6 are sequentially arranged on one side of the spiral shell stacking machine 1, a connecting pipe 13 is communicated with the coagulation reaction tank 6, one end of the connecting pipe 13 is communicated with the spiral shell stacking machine 1, an opening is formed in the first anoxic tank 2, a treatment box 23 is fixedly arranged at the position of the opening of the first anoxic tank 2, a screen 22 is fixedly arranged in the treatment box 23, a first rotating shaft 24 and a second rotating shaft 25 are rotatably connected to the inside of the treatment box 23 through bearings, a fixed shell 35 is fixedly arranged on one side of the treatment box 23, a second motor 34 is fixedly arranged in the inside of the fixed shell 35 through a motor frame, a driven gear 36 and a driving gear 33 are respectively sleeved in the inside the fixed shell 35, the driving gear 33 is meshed with the driven gear 36, and the output shaft 34 is fixedly connected with the second rotating shaft 25.

The spiral shell machine 1 is internally provided with an electric cabinet, a frame, a spiral shell body, a flocculation stirring box, a cleaning component and the like, wherein the electric cabinet is used for controlling the operation of a device body and can be used for controlling matched devices such as a dosing device, a mud pump and the like in a linkage mode, the frame is used for bearing equipment and is provided with a liquid collecting tank which can collect filtrate and flow back to a sludge pipe network or a concentration tank through a pipeline, the spiral shell body is used for dewatering sludge, the flocculation stirring box is used for stirring and mixing sewage and a flocculating agent, and the cleaning component comprises a water supply system and a flushing system and can automatically flush the spiral shell body at intervals through a program.

The treatment box 23 is communicated with a water inlet pipe 21, and the water inlet pipe 21 is provided with a water inlet valve 20.

The first anoxic tank 2, the first aerobic tank 3, the second anoxic tank 4, the second aerobic tank 5 and the coagulation reaction tank 6 are communicated with an emptying pipe 31, and a plurality of emptying valves 32 are arranged on the emptying pipes 31.

The coagulation reaction tank 6 is communicated with a feed pipe 19, and the feed pipe 19 is connected with a sealing cover 18 in a threaded manner.

The bottom of the second aerobic tank 5 is communicated with a water outlet pipe 27, one end of the water outlet pipe 27 is communicated with a reflux pump 28, the first anoxic tank 2 is communicated with a reflux pipe 29, and one end of the reflux pipe 29 is communicated with the reflux pump 28.

A first motor 17 is fixedly arranged on the coagulation reaction tank 6, the inside of the coagulation reaction tank 6 is rotatably connected with a stirring shaft 14 through a bearing, stirring blades 16 are arranged on the stirring shafts 14, and the output shaft of the first motor 17 extends to the inside of the coagulation reaction tank 6 and is fixedly connected with the stirring shafts 14.

The anaerobic treatment device is characterized in that the installation rings 7 are fixedly installed at the bottom ends of the first anoxic tank 2, the first aerobic tank 3, the second anoxic tank 4, the second aerobic tank 5 and the coagulation reaction tank 6, the installation rings 7 are fixedly installed with aeration plates 9, and the aeration plates 9 are communicated with a plurality of aeration heads 10.

The aeration plate 9 is communicated with an aeration pipe 8, and one end of the aeration pipe 8 penetrates through the mounting ring 7 and extends to the outer end of the first aerobic tank 3 or the second anoxic tank 4 to be communicated with an external aeration system.

The installing ring 7 is connected with the connecting ring 11 in a threaded manner, the filter screen 12 is fixedly installed on the connecting ring 11, tight connection between the filter screen 12 and the aeration structure can be ensured, loosening or falling of the filter screen caused by water flow impact or vibration is prevented, the stability is favorable for prolonging the service life of the filter screen, and the downtime caused by filter screen faults is reduced.

The inner walls of the first anoxic tank 2 and the second anoxic tank 4 are respectively provided with a lower overflow port 30, the inner walls of the first aerobic tank 3 and the second aerobic tank 5 are respectively provided with an upper overflow port 15, the first anoxic tank 2 is connected with the first anoxic tank 3 through the lower overflow ports 30, the first anoxic tank 3 is connected with the second anoxic tank 4 through the upper overflow ports 15, the second anoxic tank 4 is connected with the second aerobic tank 5 through the lower overflow ports 30, and the second aerobic tank 5 is connected with the coagulation reaction tank 6 through the upper overflow ports 15.

When the device is used, the electric elements are externally connected with a power supply and a control switch when the device is used, the water inlet valve 20 is opened, sewage is discharged into the treatment tank 23 through the water inlet pipe 21, the screen 22 screens out massive impurities and suspended matters in the sewage and is discharged between two crushing rollers 26 through the screen 22, the second motor 34 is started, the output shaft of the second motor 34 rotates to drive the second rotating shaft 25 to rotate, the first rotating shaft 24 and the second rotating shaft 25 drive the crushing rollers 26 to rotate under the cooperation of the driving gear 33 and the driven gear 36, the massive impurities and the suspended matters are crushed, the massive impurities can be crushed into smaller particles rapidly, the crushed impurities are more easily mixed with other substances in the sewage, the particles are more easily conveyed through subsequent pipelines and equipment, the blocking risk is reduced, the frequency of equipment shutdown due to blocking is reduced, the equipment stability and reliability are improved, the sewage can be ensured to uniformly enter an anoxic pond, and the filler or carrier is respectively put into the first anoxic pond 2 and the second anoxic pond 5 through the feeding pipe 19;

The first anoxic tank 2 and the second anoxic tank 4 are used for receiving inflow water and carrying out preliminary organic matter decomposition, under the anoxic condition, organic matters are decomposed into micromolecular substances by utilizing the action of facultative anaerobes, simultaneously, denitrification reaction is carried out by utilizing a carbon source in the inflow water, nitrogen is removed, the first aerobic tank 3 and the second anoxic tank 4 are filled with oxygen and are mainly used for aerobic decomposition and nitration reaction of the organic matters, under the aerobic condition, the organic matters are further decomposed into carbon dioxide and water by utilizing the action of aerobe, and simultaneously, nitration reaction is carried out to convert ammonia nitrogen into nitrate nitrogen; in order to further improve the treatment effect, the sewage in the second anoxic tank 4 is conveyed to the second aerobic tank 5 for denitrification reaction and nitrogen removal, the sewage in the second aerobic tank 5 is conveyed to the coagulation reaction tank 6, a coagulant is added to the coagulation reaction tank 6 through a feed pipe 19, so that suspended matters, colloid and other impurities in the water are coagulated into larger particles, the sensory index of the water quality such as turbidity and chromaticity of raw water can be reduced, various toxic and harmful pollutants can be removed, a first motor 17 on the coagulation reaction tank 6 is started, a stirring shaft 14 drives a stirring blade 16 to stir and mix the sewage in the tank and the coagulant, the sewage in the coagulation reaction tank 6 overflows into a flocculation tank in the spiral shell stacking machine 1 through a liquid level difference of a connecting pipe 13, an inorganic flocculant and an organic anion are selected to prepare an aqueous solution, a compressed double electric layer is generated, suspended particles in the sewage lose stability, the colloidal particles are mutually coagulated to form floccules and alum flowers, the floccules grow to a certain volume and then separate from the water phase under the action of gravity to remove a large amount of suspended matters in the sewage, when the spiral shell stacking machine 1 operates, suspended matters and total phosphorus in the sewage are removed through the device, so that the stability and reliability of the equipment are improved, pollutants in the sewage are reduced, and the human living environment experience is improved;

The filter screen 12 can effectively prevent large granule impurity, suspended solid and perhaps because of sediment etc. that chemical reaction produced in the manger plate, prevent that they from getting into inside the aeration head 10, thereby avoid the jam problem of aeration head 10, make aeration head 10 can keep unobstructed inlet channel, make gas can get into the water smoothly, improve aeration efficiency, the filter screen 12 can ensure aeration head 10 evenly distributed gas simultaneously, make the dissolved oxygen content in the water more even, be favorable to microorganism's growth and metabolism, promote water quality treatment effect, threaded connection's filter screen 12 design makes filter screen 12 can easily dismantle when needs wash or change, the maintenance degree of difficulty has been reduced.

The application has the advantages that:

1. By starting the second motor 34 to crush the bulk impurities and suspended solids, the bulk impurities can be crushed into smaller particles rapidly, the crushed impurities are more easily mixed with other substances in the sewage, so that the particles can more easily pass through subsequent pipelines and equipment, the risk of blockage is reduced, the burden of a subsequent treatment unit is lightened, the frequency of shutdown maintenance of the equipment due to blockage is reduced, and the stability and reliability of the equipment are improved;

2. through setting up filter screen 12, filter screen 12 can effectively prevent large granule impurity in the water, suspended solid and perhaps because of sediment etc. that chemical reaction produced, prevent that they from getting into inside the aeration head 10, thereby avoid the jam problem of aeration head 10, make aeration head 10 can keep unobstructed inlet channel, make the gas can get into the water smoothly, improve aeration efficiency, filter screen 12 can ensure aeration head 10 evenly distributed gas simultaneously, make the dissolved oxygen content in the water more even, be favorable to the growth and the metabolism of microorganism, promote water quality treatment effect, threaded connection's filter screen 12 design makes filter screen 12 can easily dismantle when wasing or changing, the maintenance degree of difficulty has been reduced.

3. The coagulation reaction tank 6 is arranged, so that the sensory indexes of the water quality such as turbidity and chromaticity of raw water can be reduced, various toxic and harmful pollutants can be removed, the coagulation stirring box in the spiral shell stacking machine 1 is matched, suspended particles in the wastewater lose stability, colloidal particles are mutually coagulated to enlarge particles, flocculating bodies and alum flowers are formed, the flocculating bodies are separated from water phase precipitation under the action of gravity after being large to a certain volume, a large amount of suspended matters in the wastewater are removed, the effect of water treatment is achieved, after the fine suspended matters in the wastewater are changed into massive suspended matters through coagulation and flocculation reactions, the operation of subsequent devices is facilitated, the blocking risk of the devices is reduced, and when the spiral shell stacking machine 1 is operated, the suspended matters and total phosphorus in the wastewater are removed through the devices, so that the stability and reliability of equipment are improved, the pollutants in the wastewater are reduced, and the human living environment experience is improved.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A coagulation sedimentation dewatering integrated machine, including a screw press (1), characterized in that: a first anoxic tank (2), a first aerobic tank (3), a second anoxic tank (4), a second aerobic tank (5), and a coagulation reaction tank (6) are sequentially arranged on one side of the screw press (1), a connecting pipe (13) is connected to the coagulation reaction tank (6), one end of the connecting pipe (13) is connected to the screw press (1), an opening is provided on the first anoxic tank (2), a treatment box (23) is fixedly installed at the opening of the first anoxic tank (2), and a screen (22) is fixedly installed inside the treatment box (23). The processing box (23) is rotatably connected to a first rotating shaft (24) and a second rotating shaft (25) via bearings. A fixed housing (35) is fixedly installed on one side of the processing box (23). A second motor (34) is fixedly installed inside the fixed housing (35) via a motor frame. One end of the first rotating shaft (24) and the second rotating shaft (25) extends into the interior of the fixed housing (35) and is respectively fitted with a driven gear (36) and a driving gear (33). The driving gear (33) meshes with the driven gear (36). The output shaft of the second motor (34) is fixedly connected to the second rotating shaft (25).

2. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: the treatment tank (23) is connected to a water inlet pipe (21), and a water inlet valve (20) is provided on the water inlet pipe (21).

3. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: the first anoxic tank (2), the first aerobic tank (3), the second anoxic tank (4), the second aerobic tank (5) and the coagulation reaction tank (6) are all connected to a drain pipe (31), and a drain valve (32) is provided on each of the plurality of drain pipes (31).

4. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: each of the coagulation reaction tanks (6) is connected to a feed pipe (19), and each of the feed pipes (19) is threadedly connected to a threaded cap (18).

5. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: the bottom of the second aerobic tank (5) is connected to an outlet pipe (27), one end of the outlet pipe (27) is connected to a return pump (28), and the first anoxic tank (2) is connected to a return pipe (29), one end of the return pipe (29) is connected to the return pump (28).

6. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: a first motor (17) is fixedly installed on the coagulation reaction tank (6), and a stirring shaft (14) is rotatably connected to the interior of the coagulation reaction tank (6) through bearings, and stirring blades (16) are provided on the stirring shaft (14), and the output shaft of the first motor (17) extends into the interior of the coagulation reaction tank (6) and is fixedly connected to the stirring shaft (14).

7. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: the bottom of the first anoxic tank (2), the first aerobic tank (3), the second anoxic tank (4), the second aerobic tank (5) and the coagulation reaction tank (6) are all fixedly installed with mounting rings (7), and aeration plates (9) are fixedly installed on the plurality of mounting rings (7), and a plurality of aeration heads (10) are connected to the plurality of aeration plates (9).

8. The coagulation sedimentation and dewatering integrated machine according to claim 7, characterized in that: an aeration pipe (8) is connected to the aeration plate (9), and one end of the aeration pipe (8) passes through the mounting ring (7) and extends to the outer end of the first aerobic tank (3) or the second anoxic tank (4) and is connected to the external aeration system.

9. The coagulation sedimentation dewatering integrated machine according to claim 8, characterized in that: a connecting ring (11) is threadedly connected to the mounting ring (7), and a filter screen (12) is fixedly installed on the connecting ring (11).

10. The coagulation sedimentation dewatering integrated machine according to claim 1, characterized in that: the inner walls of the first anoxic tank (2) and the second anoxic tank (4) are provided with a lower overflow port (30), the inner walls of the first aerobic tank (3) and the second aerobic tank (5) are provided with an upper overflow port (15), the first anoxic tank (2) is connected to the first aerobic tank (3) through the lower overflow port (30), the first aerobic tank (3) is connected to the second anoxic tank (4) through the upper overflow port (15), the second anoxic tank (4) is connected to the second aerobic tank (5) through the lower overflow port (30), and the second aerobic tank (5) is connected to the coagulation reaction tank (6) through the upper overflow port (15).